We already have it for chv, but was missing for bdw.
v2: Label WaForceEnableNonCoherent (Ville)
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Michel Thierry <michel.thie...@intel.com>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 788e1b6..5b51a43 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -756,9 +756,12 @@ static int bdw_init_workarounds(struct intel_engine_cs
*ring)
* workaround for for a possible hang in the unlikely event a TLB
* invalidation occurs during a PSD flush.
*/
+ /* WaForceEnableNonCoherent:bdw */
+ /* WaHdcDisableFetchWhenMasked:bdw */
/* WaDisableFenceDestinationToSLM:bdw (GT3 pre-production) */
WA_SET_BIT_MASKED(HDC_CHICKEN0,
HDC_FORCE_NON_COHERENT |
+ HDC_DONOT_FETCH_MEM_WHEN_MASKED |
(IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
/* Wa4x4STCOptimizationDisable:bdw */
--
2.1.1
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